Vacuum cleaner



FIG. 1 is an isometric view of a vacuum cleaner showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a top plan view thereof.

The bottom of the vacuum cleaner forms no part of the claimed design. The broken lines in FIGS. 1–5 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a vacuum cleaner, as shown and described. 